HELP A cannonball is fired upward with a velocity of 280m/s.

a. How much time does the cannonball take to reach its maximum height?

b. How high does the cannonball go before falling back to the ground?

c. How much time is the cannonball in the air?

I will award 15 points to the person that solves it!

answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation:

jeff jeff

step-by-step explanation:

after going and makeing graphs i would go with a,

there is nothing that is matches the graph. if there was i would show you. but therefore my answer is a.

hope i

-lavira: )